condition mean min max 0 h after light 1.09768 1.0967 1.09866 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.547615 0.0 1.09523